http://people.fedoraproject.org/~dwalsh/SELinux/F13/services_nx.patch
Additional file context for nx
+ nx_read_home_files(sshd_t)
+ nx_var_lib_filetrans(xauth_t, xauth_home_t, file)
Add label for nx_server_var_lib_t and nx_server_home_ssh_t